/Engine/Source/Runtime/Analytics/AnalyticsET/Public/AnalyticsFlowTracker.h
End an bool flow by GUID
bool EndFlow ( const [FGuid](API\Runtime\Core\Misc\FGuid) & FlowGuid, bool bSuccess, const [TArray](API\Runtime\Core\Containers\TArray)< [FAnalyticsEventAttribute](API\Runtime\Analytics\FAnalyticsEventAttribute) > & AdditionalAttributes )